Hot Pursuit - S7-E18
Continuity mistake: When Kenny comes to Roz's hotel room, Frasier answers the door and his pyjama collar is tucked in under his robe. A couple of shots later it is outside his robe, though he never touched it, and in later shots it is back neatly under his robe.
Continuity mistake: Frasier, Regan, Niles, and Poppy are at the ball - Frasier asks Regan to dance and she leaves her purse on the table, where we can see the strap hanging down over the edge. A couple of shots later, as they dance by, we can see the purse has changed position and the strap is lying on the table.
Continuity mistake: When Marty is being interviewed at the Antiques Road Show, the expert's clipboard changes from being flat against his body to perpendicular to it - with no time for a natural shift in position.
Continuity mistake: During the opening credits, Roz is in Cafe Nervosa with a laptop. Next to it are 3 or 3 crumpled pieces of paper or Kleenex. A couple of shots later the pile shrinks to maybe one piece - without Roz or anyone else touching them.
Continuity mistake: Lilith takes on the job of pouring wine for Thanksgiving dinner - we see her pour 2 glasses but when the shot changes there are 3 full glasses of wine on the table even though there had been none before she started.
Hot Pursuit - S7-E18
Continuity mistake: When Frasier and Roz are in the hotel room talking, her champagne glass switches from her right hand to her left hand, from one shot to another, with no time to have happened naturally.
Dark Side of the Moon - S7-E22
Continuity mistake: Simon has shown up at Daphne's shower and is standing at the bar/table with Roz and Holly. There is a bottle of champagne on the table, next to an ice bucket - but when Daphne drags Simon away the shot shows that the bottle has mysteriously made its way into the ice bucket.
The Dog That Rocks the Cradle - S7-E5
Continuity mistake: Bulldog brings pizza to Frazier's apartment, and Niles pays him. As Bulldog says goodbye to Frasier, he puts the money in his pocket. When Roz comes out from the back bedroom and sees Bulldog, we see him put the money in his pocket again.
Hot Pursuit - S7-E18
Continuity mistake: When Roz is getting ready for the reception at the convention, her wrap is hung neatly over the back of the couch. After she answers the phone and passes it to Frasier, the wrap is suddenly opened up and draped much more messily over the couch. Her purse has also changed position on the coffee table.
Continuity mistake: Frasier is in the kitchen to get some herbal tea for Regan - the box is mauve - in the first shot it is laying on its side but after that it is standing upright, although Frasier didn't touch it during that time.
The Dog That Rocks the Cradle - S7-E5
Continuity mistake: During the opening credits Roz and Frasier are sitting on his couch working. Roz is telling him that she has a date the next day - he is holding a magazine. But as she says "a month", the shot goes back to Frasier and he's holding papers rather than the magazine.
Continuity mistake: When Frasier is offering to help Lorna carry her books, her purse switches from her right shoulder to her left arm and back to the right from shot to shot.
Continuity mistake: When Marty, Niles, and Frazier return from the taping of the Antiques Road Show, Marty hangs up his blue windbreaker and then Frazier hangs up his gray raincoat, obscuring Marty's coat. But throughout the scene, all we see is Marty's blue jacket - where did the raincoat go?
Something Borrowed, Someone Blue (1) - S7-E23
Continuity mistake: Just before Simon returns from California, Roz's purse is lying flat on Frasier's coffee table. As she goes to pick it up, the purse straps are sticking up, even though no one went near it between shots.
Dark Side of the Moon - S7-E22
Continuity mistake: When Daphne goes to Niles's place to see him, she sits down on the couch and slides her purse behind her. A couple of shots later Niles gets up and now we can see her purse on the couch to her left. At no time did she make any movements that could explain its change of position.
To Thine Old Self Be True - S7-E20
Continuity mistake: Frasier and Roz are in Cafe Nervosa and Roz is looking at a newspaper while Frasier talks about giving Donny a bachelor party. Roz puts the paper in her lap, but in the next shot over her shoulder we can see that she is still holding the paper up.
Continuity mistake: Marty is on the couch talking to Edward about how he came out, and in several shots his hands are laced together on his stomach. In the succeeding shots, with no time to change, his arms are folded up on his chest.
Continuity mistake: Frasier is in the hospital waiting room and Phil (the guy who later pretends he is Frasier) is reading a newspaper - he folds it up before talking to Frasier but in the next shot, from another angle, we see him folding it up again.
Continuity mistake: Niles has just met Mel in her office, and she is wearing a white coat - she is brushing off her sleeve in one shot, and then unbuttoning the coat in the next, without enough time to have switched that quickly.
Answer: In the last episode, they explained that Tossed Salad and Scrambled Eggs is a metaphor for the mixed-up people to whom Frasier dispenses his radio psychiatric advice.